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chines99 chines99
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9 years ago
The body's supply of vitamin K comes from dietary sources and is also produced in the: 
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9 years ago
Yes, we have the ability to make vitamin K -- and we do, creating about 1/3 of what we need -- via bacteria in our intestines.
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9 years ago
E. coli and Bacteroides fragilis in the colon synthesize vitamin K.
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